RE: [Cfrg] Defining inter operable ECC keys in for IETF protocols

["Whyte, William" <WWhyte at ntru.com>]

In the X9F1 working group, we're requiring 3072-bit finite
fields for 128-bit security.

William

> -----Original Message-----
> From: Hallam-Baker, Phillip [mailto:pbaker at verisign.com] 
> Sent: Thursday, March 23, 2006 4:00 AM
> To: Yvonne Cliff
> Cc: cfrg at ietf.org
> Subject: RE: [Cfrg] Defining inter operable ECC keys in for 
> IETF protocols 
> 
> 
> > From: Yvonne Cliff [mailto:hitchcock at isrc.qut.edu.au] 
> 
> > Have you read the following paper?
> > 
> > Selecting Cryptographic Key Sizes,
> > PKC 2000, Journal of Cryptology 14 (2001), 255-293 
> > http://www.win.tue.nl/~klenstra/
> 
> I don't think it answers the question as directly as I would like.
> 
> Or maybe I do not like the answer and would like to see if my 
> keys really
> need to be 3072 bits.
> 

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